Toshiba 23HL85 Service Manual page 41
Lcd color television
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Also See for 23HL85:
- Owner's manual (44 pages) ,
- Circuit diagrams (22 pages) ,
- Specifications (2 pages)
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No Sound
(Video2 & S-Video)
Check the Input source
Pass
Check the Input/Output
of IC200
Pass
Ref.13
Check the Input/Output
of IC900
Pass
Check the speaker
Pass
Check the speaker wire
Sound Input :
Ref.13
IC900, #3, 5
Change source
Input
Fail
Fail
Re-soldering or
Change IC200
Fail
Re-soldering or
Change IC900
Fail
Change speaker
Fail
Process C
- 41 -
No sound
(Video & Component or
PC mode)
Check
the IC800
#2, #4pin Level
Video1 : High
PC : Low
Pass
Check Input/Output &
12V of IC800
Pass
Change IC702
Check short circuits
of Main B/D
Fail
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